XC Series Circular Connectors

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By using bayonet coupling mechanism, fast mating and unmating of the XC series circular connector becomes a possibility. In additions to ease of use, the circular connector also provides very reliable connection that is unlikely to shake loose even when subjected to vibration or impact. High-strength aluminum alloy is used to construct the shell. The connector contact is available in one of two types: either the solder contact or rear release style contact.

Advanced hyperbolic lamella socket provides ease of engagement and disengagement. Small contact resistance means minimum signal loss across the contact interface. Robust shell and seal protects the connector against humidity, smog, fungal growth, and rainwater. This series of jack connector is widely used on missile, fighter aircraft, fleet, and military communications system.

Technical Specifications of XC Series Circular Connectors

Environmental Performance

Relative Humidity	95% (40°C)
Operating Temperature	–55°C~200°C
Operating Height	Altitude: 30000m
Vibration	Frequency: 10Hz~2000Hz Acceleration: 147m /s2
Shock	Acceleration: 980m /s2
Constant Acceleration	980m /s2
Air Tightness	Dual-End Sealed Socket Connector: 50.7 Kpa Square Flange Sealed Socket Connector: 152 Kpa

Electrical Performance

Contact Resistance, Rated Current

Contact Specifications (mm)	Dual-End Sealed Socket (mΩ)	Contact Resistance (mΩ)	Rated Current (A)
￠ 1.0	10	15	5
￠ 1.5	5	7.5	10
￠ 2.0	2.5	3.75	20
￠ 3.0	1.5	2.25	40

Rated Voltage, Withstand Voltage, and Insulation Resistance

Working Environments	Rated Voltage V		Withstand Voltage V		Insulation Resistance
Working Environments	Sealed	Unsealed	Sealed	Unsealed	m Ω
Atmospheric Pressure and Temperature	500	500	150	1500	≥ 5000
Damp-Heat	500	500	750	1125	≥ 100
High Temperature	—	—	—	—	≥ 1000
Low Pressure (1 Kpa)	150	250	300	300	—

Mechanical Performance

Shell	High-strength aluminum alloy
Plating (without shielding)	Integral Color Anodizing
Plating (with shielding)	Zinc plating Iridescent Passivation or Olive Green Passivation Nickel Plating
Insulation	Thermoset Plastics
Grommet, O-Ring	Silicon Rubber
Contact	Copper alloy coated with gold or silver
Crimp Contact	Rear release type contact (Please note that the contact can not be removed from the connector if a solder contact is chosen.)
Lifespan	≥1000 mating cycles

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